Descent into the Deep Tunnel

What it teaches

The Tunnel and Reservoir Plan (TARP / "Deep Tunnel") is the city’s massive stormwater system. A flat city needs enormous underground reservoirs to keep the river and lake from being overwhelmed.

How it works

Endurance RNG combat against rising water — damage-over-time. Reach the beacon before the timer.

Rewards

• Sump Pump
• Glen's Prompt — Fragment 1
• 120 Onions
• +750 to the city supply gauge